ON

OFF

C

= 1

F

IN

µ

GND

V

IN

V

BATT

C

L

GND

R

L

C

L

V

OUT

SMPS

(see Note A)

GND

TPS22921/22/22B

LOAD

TPS22921, TPS22922, TPS22922B

ORDERING INFORMATION

ORDERABLE PART NUMBER

TOP-SIDE MARKING

TPS22921YFPR

_ _ _3Y_

WCSP – YFP

Tape and reel

TPS22922YFPR

_ _ _2Z_

(0.4 mm pitch)

TPS22922BYFPR

PREVIEW

TPS22921YZPR

_ _ _3Y_

–40°C to 85°C

WCSP – YZP

Tape and reel

TPS22922YZPR

_ _ _2Z_

(0.5 mm pitch)

TPS22922BYZPR

_ _ _3Z_

WCSP – YZT

Tape and reel

TPS22921YZTR

_ _ _3Y_

(0.5 mm pitch)

(1)

Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.

(2)

For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

website at www.ti.com.

TYPICAL APPLICATION

A.

Switched mode power supply

2

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Copyright © 2008, Texas Instruments Incorporated

Product Folder Link(s): TPS22921 TPS22922 TPS22922B